junior react jobs in Toronto

Job Summary Reporting to the Manager, Development and Delivery, the Senior Developer, Digital provides technical leadership and hands‑on expertise in designing, building, and maintaining Porter's React Native web and mobile applications. This role is a key contributor to scalability, performance, and reliability across the platform, and actively evolves...

Lead full-stack engineering for Capital One Travel Tech in Toronto, using React, JavaScript, AWS, and backend development. Build travel products for real customers. As a Staff Software Engineer, you will own technical design and development for cross-functional, multi-platform, fault-tolerant applications. You will work across the travel portal journey,...

Lead the design and development of innovative backend systems at Swoop, enhancing healthcare outcomes through technology. This hybrid role in Toronto requires expertise in building scalable APIs and services. As a Senior Backend Engineer, you will architect pivotal technology for multiple web products at Swoop, focusing on NimbleRx. Collaborate with top...

Pinnacle in Toronto is seeking a Senior Software Engineer for Trading Technology Software Development to build backend engines powering real-time trading, risk management, and core platform services. You will own backend systems, design scalable components, and contribute to architectural decisions while collaborating with front-end teams using React and...

We’re a Toronto Insurtech start‑up modernizing data for the globalP&C Re/Insurance market. Post‑MVP and raising our pre‑seed, we need a senior engineer who can ship fast and own features end‑to‑end. Collectively, our team, advisors, and investors have held executive roles at major global insurers and at leading companies including SpaceX, Google,...

Lead cloud application architecture for Capital One’s international Card technology team in Toronto, with full-stack development expertise required. As a senior technical leader without direct reports, you will design and build customer management capabilities. The position owns technical direction across cross-functional, multi-platform, fault-tolerant...

Job Title : Senior Software Engineer (Trading Technology Software Development) Technical Team Lead / Software Development Manager Welcome to Pinnacle, the ultimate destination for sports enthusiasts seeking an exhilarating sportsbook and gaming experience! Established in 1998, we have solidified our position as one of the globe's foremost licensed online...

We are seeking an experienced Senior Full Stack Developer with deep expertise in backend systems (Java, Python, microservices) and modern UI frameworks (Angular, React) to join our high-performing agile team. This role focuses on building robust, scalable, and user-friendly end-to-end solutions for GenAI applications, combining cutting-edge backend services...

We are seeking an experienced Senior Full Stack Developer with deep expertise in backend systems (Java, Python, microservices) and modern UI frameworks (Angular, React) to join our high-performing agile team. This role focuses on building robust, scalable, and user-friendly end-to-end solutions for GenAI applications, combining cutting-edge backend services...

Join Flywheel Commerce as a Senior Full Stack Engineer, focusing on scalable eCommerce optimization solutions. Utilize AI-assisted tools and modern frameworks in a collaborative setting. As a Senior Full Stack Engineer, you will play a critical role in enhancing our Perpetua product within the Flywheel portfolio. This position requires expertise in Python,...

Launch your technology career as a Software Engineer at AutoTrader.ca in Ontario. Focus on developing cloud solutions and mentoring peers while working in a supportive environment. AutoTrader.ca, recognized for its digital automotive solutions, is looking for an Entry Level Software Engineer. This role involves designing full-stack cloud applications,...

Elevate AI training by working as a remote Contract JavaScript Developer. Use your frontend expertise to contribute high-quality input to models. This position offers the chance to design and optimize frontend solutions in a collaborative environment. You'll work with cross-functional teams, lead architectural decisions, and mentor junior developers....

Join BuildOps in changing the commercial contracting landscape as a Senior Software Engineer. Work hybrid as you build and enhance vital software solutions that empower contractors. As part of a distributed team, your mission will be to create high-quality software that meets industry needs. This includes backend development, frontend React capability, and...

Location: REMOTE / Toronto, Ontario This job allows you to work remotely. The client is a healthcare AI company that turns routine lab results into clinically validated chronic disease risk predictions. Their algorithm is CE marked in Europe through a partnership with a global diagnostics company and is being embedded into specialty care workflows through a...

Elevate the fintech landscape as a Senior Engineer specializing in full-stack development at Relay. Focus on building reliable solutions for small business owners in a digital banking environment. As part of Relay's engineering team, your 3+ years of experience will help shape our banking products. You’ll be responsible for the development lifecycle of...

We’re a Toronto Insurtech start‑up modernizing data for the globalP&C Re/Insurance market. Post‑MVP and raising our pre‑seed, we need a senior engineer who can ship fast and own features end‑to‑end. Collectively, our team, advisors, and investors have held executive roles at major global insurers and at leading companies including SpaceX, Google,...

About GovCore GovCore is a leading regulatory technology company serving government licensing boards and regulatory agencies across North America. Founded by a 22-year industry veteran, we provide modern, secure, and reliable licensing management solutions designed exclusively for government. We're growing rapidly and looking for talented people who share...

BettingJobs is working with a fast-growing sports betting technology business to recruit a Senior Software Engineer for its Trading Technology team. You'll build the backend engines behind real-time trading, risk management and core platform services — systems where low latency, high throughput and reliability are critical — as well as the React...

About GovCore GovCore is a leading regulatory technology company serving government licensing boards and regulatory agencies across North America. Founded by a 22-year industry veteran, we provide modern, secure, and reliable licensing management solutions designed exclusively for government. We're growing rapidly and looking for talented people who share...

Base pay range CA$170,000.00/yr - CA$180,000.00/yr Senior Software Developer (Full Stack) Our client is on a mission to help everyone achieve financial freedom by reimagining how people manage money. Using smart technology, they make financial services transparent, low‑cost, and accessible to millions of users. With billions in assets under management,...